LOW-TEMPERATURE ORDER-DISORDER PHENOMENA IN YBA2CU3O7-X - AN ELECTRICAL-RESISTIVITY STUDY

被引：16
|
作者：
LAVROV, AN
机构：
[1] Institute of Inorganic Chemistry, Siberian Branch, the Russian Academy of Sciences, Novosibirsk, 630090
来源：
PHYSICS LETTERS A | 1992年 / 168卷 / 01期
关键词：
D O I：
10.1016/0375-9601(92)90331-F
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An electrical resistivity study of the influence of the low temperature oxygen ordering on the temperature dependence of the resistivity and the superconducting transition temperature was carried out on YBa2Cu3O7-x samples with various oxygen contents. The oxygen ordering induces the increasing of the density of the charge carriers in the CuO2-planes, resulting in changes of the conductivity and T(c). An abrupt beginning of the oxygen disordering at a temperature of T0 = 250-270 K was found.
引用
收藏
页码：71 / 74
页数：4
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